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rockbox/apps/plugins/snake.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

448 lines
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Itai Shaked
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/*
Snake!
by Itai Shaked
ok, a little explanation -
board holds the snake and apple position - 1+ - snake body (the number
represents the age [1 is the snake's head]).
-1 is an apple, and 0 is a clear spot.
dir is the current direction of the snake - 0=up, 1=right, 2=down, 3=left;
*/
#include "plugin.h"
#ifdef HAVE_LCD_BITMAP
PLUGIN_HEADER
/* variable button definitions */
#if CONFIG_KEYPAD == RECORDER_PAD
#define SNAKE_QUIT BUTTON_OFF
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
#define SNAKE_QUIT BUTTON_OFF
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT
#elif CONFIG_KEYPAD == ONDIO_PAD
#define SNAKE_QUIT BUTTON_OFF
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_MENU
#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
(CONFIG_KEYPAD == IRIVER_H300_PAD)
#define SNAKE_QUIT BUTTON_OFF
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_ON
#define SNAKE_RC_QUIT BUTTON_RC_STOP
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
(CONFIG_KEYPAD == IPOD_3G_PAD) || \
(CONFIG_KEYPAD == IPOD_1G2G_PAD)
#define SNAKE_QUIT (BUTTON_SELECT|BUTTON_MENU)
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_MENU
#define SNAKE_DOWN BUTTON_PLAY
#define SNAKE_PLAYPAUSE BUTTON_SELECT
#elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT
#elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
(CONFIG_KEYPAD == SANSA_C200_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT
#elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_SCROLL_UP
#define SNAKE_DOWN BUTTON_SCROLL_DOWN
#define SNAKE_PLAYPAUSE BUTTON_PLAY
#elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
#define SNAKE_QUIT BUTTON_BACK
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT
#elif (CONFIG_KEYPAD == MROBE100_PAD)
#define SNAKE_QUIT BUTTON_POWER
#define SNAKE_LEFT BUTTON_LEFT
#define SNAKE_RIGHT BUTTON_RIGHT
#define SNAKE_UP BUTTON_UP
#define SNAKE_DOWN BUTTON_DOWN
#define SNAKE_PLAYPAUSE BUTTON_SELECT
#elif CONFIG_KEYPAD == IAUDIO_M3_PAD
#define SNAKE_QUIT BUTTON_RC_REC
#define SNAKE_LEFT BUTTON_RC_REW
#define SNAKE_RIGHT BUTTON_RC_FF
#define SNAKE_UP BUTTON_RC_VOL_UP
#define SNAKE_DOWN BUTTON_RC_VOL_DOWN
#define SNAKE_PLAYPAUSE BUTTON_RC_PLAY
#define SNAKE_RC_QUIT BUTTON_REC
#elif (CONFIG_KEYPAD == COWOND2_PAD)
#define SNAKE_QUIT BUTTON_POWER
#else
#error No keymap defined!
#endif
#ifdef HAVE_TOUCHPAD
#ifndef SNAKE_QUIT
#define SNAKE_QUIT BUTTON_TOPLEFT
#endif
#ifndef SNAKE_LEFT
#define SNAKE_LEFT BUTTON_MIDLEFT
#endif
#ifndef SNAKE_RIGHT
#define SNAKE_RIGHT BUTTON_MIDRIGHT
#endif
#ifndef SNAKE_UP
#define SNAKE_UP BUTTON_TOPMIDDLE
#endif
#ifndef SNAKE_DOWN
#define SNAKE_DOWN BUTTON_BOTTOMMIDDLE
#endif
#ifndef SNAKE_PLAYPAUSE
#define SNAKE_PLAYPAUSE BUTTON_CENTER
#endif
#endif
#define BOARD_WIDTH (LCD_WIDTH/4)
#define BOARD_HEIGHT (LCD_HEIGHT/4)
static int board[BOARD_WIDTH][BOARD_HEIGHT],snakelength;
static unsigned int score,hiscore=0,level=1;
static short dir,frames,apple,dead=0;
static const struct plugin_api* rb;
void die (void)
{
char pscore[17];
rb->lcd_clear_display();
rb->snprintf(pscore,sizeof(pscore),"Your score: %d",score);
rb->lcd_puts(0,0,"Oops...");
rb->lcd_puts(0,1, pscore);
if (score>hiscore) {
hiscore=score;
rb->lcd_puts(0,2,"New High Score!");
}
else {
rb->snprintf(pscore,sizeof(pscore),"High Score: %d",hiscore);
rb->lcd_puts(0,2,pscore);
}
rb->lcd_update();
rb->sleep(3*HZ);
dead=1;
}
void colission (short x, short y)
{
switch (board[x][y]) {
case 0:
break;
case -1:
snakelength+=2;
score+=level;
apple=0;
break;
default:
die();
break;
}
if (x==BOARD_WIDTH || x<0 || y==BOARD_HEIGHT || y<0)
die();
}
void move_head (short x, short y)
{
switch (dir) {
case 0:
y-=1;
break;
case 1:
x+=1;
break;
case 2:
y+=1;
break;
case 3:
x-=1;
break;
}
colission (x,y);
if (dead)
return;
board[x][y]=1;
rb->lcd_fillrect(x*4,y*4,4,4);
}
void frame (void)
{
short x,y,head=0;
for (x=0; x<BOARD_WIDTH; x++) {
for (y=0; y<BOARD_HEIGHT; y++) {
switch (board[x][y]) {
case 1:
if (!head) {
move_head(x,y);
if (dead)
return;
board[x][y]++;
head=1;
}
break;
case 0:
break;
case -1:
break;
default:
if (board[x][y]==snakelength) {
board[x][y]=0;
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(x*4,y*4,4,4);
rb->lcd_set_drawmode(DRMODE_SOLID);
}
else
board[x][y]++;
break;
}
}
}
rb->lcd_update();
}
void redraw (void)
{
short x,y;
rb->lcd_clear_display();
for (x=0; x<BOARD_WIDTH; x++) {
for (y=0; y<BOARD_HEIGHT; y++) {
switch (board[x][y]) {
case -1:
rb->lcd_fillrect((x*4)+1,y*4,2,4);
rb->lcd_fillrect(x*4,(y*4)+1,4,2);
break;
case 0:
break;
default:
rb->lcd_fillrect(x*4,y*4,4,4);
break;
}
}
}
rb->lcd_update();
}
void game_pause (void) {
int button;
rb->lcd_clear_display();
rb->lcd_putsxy(3,12,"Game Paused");
#if CONFIG_KEYPAD == RECORDER_PAD
rb->lcd_putsxy(3,22,"[Play] to resume");
#elif CONFIG_KEYPAD == ONDIO_PAD
rb->lcd_putsxy(3,22,"[Mode] to resume");
#endif
rb->lcd_putsxy(3,32,"[Off] to quit");
rb->lcd_update();
while (1) {
button=rb->button_get(true);
switch (button) {
#ifdef SNAKE_RC_QUIT
case SNAKE_RC_QUIT:
#endif
case SNAKE_QUIT:
dead=1;
return;
case SNAKE_PLAYPAUSE:
redraw();
rb->sleep(HZ/2);
return;
default:
if (rb->default_event_handler(button)==SYS_USB_CONNECTED) {
dead=2;
return;
}
break;
}
}
}
void game (void) {
int button;
short x,y;
while (1) {
frame();
if (dead)
return;
frames++;
if (frames==10) {
frames=0;
if (!apple) {
do {
x=rb->rand() % BOARD_WIDTH;
y=rb->rand() % BOARD_HEIGHT;
} while (board[x][y]);
apple=1;
board[x][y]=-1;
rb->lcd_fillrect((x*4)+1,y*4,2,4);
rb->lcd_fillrect(x*4,(y*4)+1,4,2);
}
}
rb->sleep(HZ/level);
button=rb->button_get(false);
#ifdef HAS_BUTTON_HOLD
if (rb->button_hold())
button = SNAKE_PLAYPAUSE;
#endif
switch (button) {
case SNAKE_UP:
if (dir!=2) dir=0;
break;
case SNAKE_RIGHT:
if (dir!=3) dir=1;
break;
case SNAKE_DOWN:
if (dir!=0) dir=2;
break;
case SNAKE_LEFT:
if (dir!=1) dir=3;
break;
#ifdef SNAKE_RC_QUIT
case SNAKE_RC_QUIT:
#endif
case SNAKE_QUIT:
dead=1;
return;
case SNAKE_PLAYPAUSE:
game_pause();
break;
default:
if (rb->default_event_handler(button)==SYS_USB_CONNECTED) {
dead=2;
return;
}
break;
}
}
}
void game_init(void) {
int selection=0;
short x,y;
bool menu_quit = false;
for (x=0; x<BOARD_WIDTH; x++) {
for (y=0; y<BOARD_HEIGHT; y++) {
board[x][y]=0;
}
}
dead=0;
apple=0;
snakelength=4;
score=0;
board[11][7]=1;
MENUITEM_STRINGLIST(menu,"Snake Menu",NULL,"Start New Game","Starting Level",
"Quit");
while (!menu_quit) {
switch(rb->do_menu(&menu, &selection, NULL, false))
{
case 0:
menu_quit = true; /* start playing */
break;
case 1:
rb->set_int("Starting Level", "", UNIT_INT, &level, NULL,
1, 1, 9, NULL );
break;
default:
dead=1; /* quit program */
menu_quit = true;
break;
}
}
}
enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
{
(void)(parameter);
rb = api;
game_init();
rb->lcd_clear_display();
game();
return (dead==1)?PLUGIN_OK:PLUGIN_USB_CONNECTED;
}
#endif
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